Industry - Medical Laboratories

  1. All Sectors
  2. Services
  3. Health Services
Latest data: 9/21/2026 10:01:34 PM
1 Month
Buy/Sell Ratio 0.00
0%
100%
Buy Sell
$128,525 ($69.38) M
1 Insiders 25 Insiders
3 Transactions 36 Transactions
8/21/2026 to 9/21/2026
3 Month
Buy/Sell Ratio 0.03
2%
98%
Buy Sell
$3.28 M ($117.14) M
8 Insiders 46 Insiders
13 Transactions 91 Transactions
6/21/2026 to 9/21/2026
6 Month
Buy/Sell Ratio 0.07
6%
94%
Buy Sell
$12.71 M ($192.44) M
11 Insiders 68 Insiders
23 Transactions 174 Transactions
3/21/2026 to 9/21/2026
12 Month
Buy/Sell Ratio 0.04
3%
97%
Buy Sell
$13.40 M ($343.81) M
17 Insiders 97 Insiders
30 Transactions 410 Transactions
9/21/2025 to 9/21/2026

Monthly Buy and Sell Value

Monthly Buy/Sell Ratio

Most Insider Buying

12 months
Name Value Transactions
Burning Rock Biotech Ltd
$11,648,315 8
Caris Life Sciences, Inc.
$501,426 1
Billiontoone, Inc.
$414,000 1
Lumexa Imaging Holdings, Inc.
$253,750 1
Billiontoone, Inc.
$150,000 1
YD Bio Ltd
$128,525 3
Billiontoone, Inc.
$60,000 1
Aclarion, Inc.
$50,059 1
Billiontoone, Inc.
$48,000 1
Aclarion, Inc.
$32,152 3

Most Insider Selling

12 months
Name Value Transactions
Natera, Inc.
($82,240,143) 11
Natera, Inc.
($40,528,525) 17
Natera, Inc.
($21,195,534) 25
Natera, Inc.
($17,257,277) 14
Natera, Inc.
($16,724,318) 25
Natera, Inc.
($15,143,977) 2
GRAIL, Inc.
($12,763,744) 6
GRAIL, Inc.
($12,715,610) 10
Guardant Health, Inc.
($9,402,220) 1
Natera, Inc.
($9,345,646) 16

Most Unique Insiders Buying (>25K)

12 months
Name Unique insiders Total Trades
Billiontoone, Inc. 4 4
Burning Rock Biotech Ltd 1 8
YD Bio Ltd 1 2
Aclarion, Inc. 1 1
Caris Life Sciences, Inc. 1 1
Lumexa Imaging Holdings, Inc. 1 1

Most Unique Insiders Selling (>25K)

12 months
Name Unique insiders Total Trades
Guardant Health, Inc. 12 24
Veracyte, Inc. 11 32
Natera, Inc. 9 128
LABCORP HOLDINGS INC. 9 14
Quest Diagnostics Inc 8 16
Caredx, Inc. 7 17
Radnet, Inc. 5 9
Exact Sciences Corp 5 7
Castle Biosciences Inc 4 40
GRAIL, Inc. 4 24

Companies with activity

1 Month 6 Month 12 Month
Name Ratio Buy $ Sell $ Ratio Buy $ Sell $ Ratio Buy $ Sell $
Natera, Inc. 0.00 $0 ($60,174,616) 0.00 $0 ($136,127,325) 0.00 $0 ($209,729,842)
Guardant Health, Inc. 0.00 $0 ($3,326,993) 0.00 $0 ($10,317,710) 0.00 $0 ($27,751,783)
Quest Diagnostics Inc 0.00 $0 ($2,427,200) 0.00 $0 ($4,744,888) 0.00 $0 ($11,496,039)
Veracyte, Inc. 0.00 $0 ($1,146,859) 0.00 $0 ($3,217,285) 0.00 $0 ($10,466,657)
GRAIL, Inc. 0.00 $0 ($1,096,677) 0.00 $0 ($12,717,365) 0.00 $0 ($31,776,055)
Castle Biosciences Inc 0.00 $0 ($596,494) 0.00 $0 ($2,588,480) 0.00 $0 ($9,799,939)
Billiontoone, Inc. 0.00 $0 ($279,817) 0.00 $0 ($6,072,877) 0.11 $678,000 ($6,072,877)
Exagen Inc. 0.00 $0 ($148,782) 0.00 $0 ($148,782) 0.00 $0 ($628,187)
Fulgent Genetics, Inc. 0.00 $0 ($117,132) 0.00 $0 ($223,475) 0.00 $0 ($677,576)
Sera Prognostics, Inc. 0.00 $0 ($63,274) 0.00 $0 ($153,891) 0.00 $0 ($548,314)
YD Bio Ltd -- $128,525 $0 -- $128,525 $0 -- $128,525 $0
Caredx, Inc. -- $0 $0 0.00 $0 ($5,741,024) 0.00 $0 ($6,639,864)
LABCORP HOLDINGS INC. -- $0 $0 0.00 $0 ($5,096,841) 0.00 $0 ($11,621,259)
Radnet, Inc. -- $0 $0 0.00 $0 ($2,984,383) 0.00 $0 ($12,283,780)
Aclarion, Inc. -- $0 $0 -- $176,585 $0 -- $176,647 $0
Burning Rock Biotech Ltd -- $0 $0 -- $11,648,315 $0 -- $11,648,315 $0
Fortrea Holdings Inc. -- $0 $0 0.00 $0 ($2,306,478) 0.00 $0 ($2,306,478)
Caris Life Sciences, Inc. -- $0 $0 -- $501,426 $0 -- $510,966 $0
Lumexa Imaging Holdings, Inc. -- $0 $0 -- $253,750 $0 -- $253,750 $0
Personalis, Inc. -- $0 $0 -- $0 $0 0.00 $0 ($266,212)
Exact Sciences Corp -- $0 $0 -- $0 $0 0.00 $0 ($1,740,409)